<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>1-验证Diffing算法</title>
</head>

<body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>
    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/17.0.1/react.development.js"></script>
    <!-- 引入react-dom，用于支持react操作DOM -->
    <script type="text/javascript" src="../js/17.0.1/react-dom.development.js"></script>
    <!-- 引入babel，用于将jsx转换为js -->
    <script type="text/javascript" src="../js/17.0.1/babel.min.js"></script>

    <script type="text/babel">  //此处一定要写babel
        class Time extends React.Component {
            state = { date: new Date() }
            componentDidMount() {
                setInterval(() => {
                    this.setState({
                        date: new Date()
                    })
                }, 1000)
            }
            render() {
                return (
                    <div>
                        <h1>hello</h1>
                        <input type="text" />
                        <span>
                            现在是:{this.state.date.toTimeString()}
                            <input type='text' />
                        </span>
                    </div>
                )
            }

        }
        ReactDOM.render(<Time />, document.getElementById('test'));
    </script>
</body>

</html>